218219813425

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{977}}^1\times {\mathrm{16889}}^1$

素因数の和:17922

約数の個数: 36

約数和(自身を含む): 283175274060

約数和(自身を除く): 64955460635

約数列:

[1, 5, 23, 25, 115, 529, 575, 977, 2645, 4885, 13225, 16889, 22471, 24425, 84445, 112355, 388447, 422225, 516833, 561775, 1942235, 2584165, 8934281, 9711175, 12920825, 16500553, 44671405, 82502765, 223357025, 379512719, 412513825, 1897563595, 8728792537, 9487817975, 43643962685, 218219813425]

約数ペア:

[(1, 218219813425), (5, 43643962685), (23, 9487817975), (25, 8728792537), (115, 1897563595), (529, 412513825), (575, 379512719), (977, 223357025), (2645, 82502765), (4885, 44671405), (13225, 16500553), (16889, 12920825), (22471, 9711175), (24425, 8934281), (84445, 2584165), (112355, 1942235), (388447, 561775), (422225, 516833)]